Examples with PropositionalTheory com.sri.ai.grinder.sgdpllt.theory.propositional.PropositionalTheory used on opensource projects

Example 21 with PropositionalTheory

use of com.sri.ai.grinder.sgdpllt.theory.propositional.PropositionalTheory in project aic-expresso by aic-sri-international.

the class ExpressionStepSolverToLiteralSplitterStepSolverAdapterTest method testPropositionalTheoryWithRandomDisjunctiveFormulas.

@Test
public void testPropositionalTheoryWithRandomDisjunctiveFormulas() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(makeRandom(), new PropositionalTheory());
    extendTestingVaribles("P", theoryTestingSupport, "S", "T", "U", "V", "W", "X", "Y", "Z");
    runRandomDisjunctiveFormulasTest(theoryTestingSupport);
}

Example 22 with PropositionalTheory

use of com.sri.ai.grinder.sgdpllt.theory.propositional.PropositionalTheory in project aic-expresso by aic-sri-international.

the class UnificationStepSolverTest method advancedCompositeTest.

@Ignore("TODO - context implementation currently does not support these more advanced/indirect comparisons")
@Test
public void advancedCompositeTest() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(seededRandom, new CompoundTheory(new EqualityTheory(false, true), new DifferenceArithmeticTheory(false, true), new LinearRealArithmeticTheory(false, true), new PropositionalTheory()));
    // NOTE: passing explicit FunctionTypes will prevent the general variables' argument types being randomly changed.
    theoryTestingSupport.setVariableNamesAndTypesForTesting(map("P", BOOLEAN_TYPE, "Q", BOOLEAN_TYPE, "R", BOOLEAN_TYPE, "unary_prop/1", new FunctionType(BOOLEAN_TYPE, BOOLEAN_TYPE), "binary_prop/2", new FunctionType(BOOLEAN_TYPE, BOOLEAN_TYPE, BOOLEAN_TYPE), "S", TESTING_CATEGORICAL_TYPE, "T", TESTING_CATEGORICAL_TYPE, "U", TESTING_CATEGORICAL_TYPE, "unary_eq/1", new FunctionType(TESTING_CATEGORICAL_TYPE, TESTING_CATEGORICAL_TYPE), "binary_eq/2", new FunctionType(TESTING_CATEGORICAL_TYPE, TESTING_CATEGORICAL_TYPE, TESTING_CATEGORICAL_TYPE), "I", TESTING_INTEGER_INTERVAL_TYPE, "J", TESTING_INTEGER_INTERVAL_TYPE, "K", TESTING_INTEGER_INTERVAL_TYPE, "unary_dar/1", new FunctionType(TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE), "binary_dar/2", new FunctionType(TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE), "X", TESTING_REAL_INTERVAL_TYPE, "Y", TESTING_REAL_INTERVAL_TYPE, "Z", TESTING_REAL_INTERVAL_TYPE, "unary_lra/1", new FunctionType(TESTING_REAL_INTERVAL_TYPE, TESTING_REAL_INTERVAL_TYPE), "binary_lra/2", new FunctionType(TESTING_REAL_INTERVAL_TYPE, TESTING_REAL_INTERVAL_TYPE, TESTING_REAL_INTERVAL_TYPE)));
    Context rootContext = theoryTestingSupport.makeContextWithTestingInformation();
    UnificationStepSolver unificationStepSolver = new UnificationStepSolver(parse("binary_prop(P, unary_prop(P))"), parse("binary_prop(unary_prop(Q), Q)"));
    Context localTestContext = rootContext.conjoinWithConjunctiveClause(parse("not P and Q and not unary_prop(Q) and unary_prop(P)"), rootContext);
    StepSolver.Step<Boolean> step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
    localTestContext = rootContext.conjoinWithConjunctiveClause(parse("P and Q and not unary_prop(Q) and unary_prop(P)"), rootContext);
    step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(false, step.getValue());
}

Example 23 with PropositionalTheory

use of com.sri.ai.grinder.sgdpllt.theory.propositional.PropositionalTheory in project aic-expresso by aic-sri-international.

the class CompoundTheoryWithDifferenceArithmeticTest method runCompleteSatisfiabilityTest.

/**
	 * @param conjunction
	 * @param expected
	 */
private void runCompleteSatisfiabilityTest(String conjunction, Expression expected, Map<String, Type> variableNamesAndTypesForTesting) {
    TheoryTestingSupport equalityTheoryTestingSupport = TheoryTestingSupport.make(makeRandom(), new EqualityTheory(true, true));
    equalityTheoryTestingSupport.setVariableNamesAndTypesForTesting(variableNamesAndTypesForTesting);
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(makeRandom(), equalityTheoryTestingSupport, TheoryTestingSupport.make(makeRandom(), new PropositionalTheory()));
    Context context = theoryTestingSupport.makeContextWithTestingInformation();
    Constraint constraint = new CompleteMultiVariableContext(theoryTestingSupport.getTheory(), context);
    for (Expression literal : And.getConjuncts(parse(conjunction))) {
        constraint = constraint.conjoin(literal, context);
    }
    assertEquals(expected, constraint);
}

Example 24 with PropositionalTheory

use of com.sri.ai.grinder.sgdpllt.theory.propositional.PropositionalTheory in project aic-expresso by aic-sri-international.

the class CompoundTheoryWithDifferenceArithmeticTest method makeTheoryTestingSupport.

@Override
protected TheoryTestingSupport makeTheoryTestingSupport() {
    TheoryTestingSupport result = TheoryTestingSupport.make(makeRandom(), new CompoundTheory(new EqualityTheory(false, true), new DifferenceArithmeticTheory(false, true), new PropositionalTheory()));
    // using different testing variables and types to test distribution of testing information
    // to sub constraint theories.
    Categorical booleanType = BOOLEAN_TYPE;
    Categorical dogsType = new Categorical("Dogs", 4, arrayList(parse("fido"), parse("rex")));
    IntegerInterval oneTwoThree = new IntegerInterval(1, 3);
    Map<String, Type> variablesAndTypes = map("F", booleanType, "G", booleanType, "R", dogsType, "S", dogsType, "T", oneTwoThree, "U", oneTwoThree);
    result.setVariableNamesAndTypesForTesting(variablesAndTypes);
    return result;
}

Example 25 with PropositionalTheory

use of com.sri.ai.grinder.sgdpllt.theory.propositional.PropositionalTheory in project aic-expresso by aic-sri-international.

the class UnificationStepSolverTest method advancedPropositionalTest.

@Ignore("TODO - context implementation currently does not support these more advanced/indirect comparisons")
@Test
public void advancedPropositionalTest() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(seededRandom, new PropositionalTheory());
    // NOTE: passing explicit FunctionTypes will prevent the general variables' argument types being randomly changed.
    theoryTestingSupport.setVariableNamesAndTypesForTesting(map("P", BOOLEAN_TYPE, "Q", BOOLEAN_TYPE, "R", BOOLEAN_TYPE, "unary_prop/1", new FunctionType(BOOLEAN_TYPE, BOOLEAN_TYPE), "binary_prop/2", new FunctionType(BOOLEAN_TYPE, BOOLEAN_TYPE, BOOLEAN_TYPE)));
    Context rootContext = theoryTestingSupport.makeContextWithTestingInformation();
    UnificationStepSolver unificationStepSolver = new UnificationStepSolver(parse("binary_prop(P, unary_prop(P))"), parse("binary_prop(unary_prop(Q), Q)"));
    Context localTestContext = rootContext.conjoinWithConjunctiveClause(parse("not P and Q and not unary_prop(true) and unary_prop(false)"), rootContext);
    StepSolver.Step<Boolean> step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
}